640% is the change from 35 to 259
Calculation steps:
[( 259 - 35 ) ÷ 35] x 100 = 640%
Formula
Percentage change = [(259 - 35) / 35] x 100
Subtract the new number by the original number
259 - 35 = 224
224 ÷ 35 = 6.4
6.4 x 100 = 640%
Example